protective forest planting

См. также в других словарях:

• Companion planting — is the planting of different crops in proximity (in gardening and agriculture), on the theory that they assist each other in nutrient uptake, pest control, pollination, and other factors necessary to increasing crop productivity. Companion… …   Wikipedia

• forestry — /fawr euh stree, for /, n. 1. the science of planting and taking care of trees and forests. 2. the process of establishing and managing forests; forestation. 3. forestland. [1685 95; < MF foresterie. See FOREST, RY] * * * Management of forested… …   Universalium

• Carleton College Cowling Arboretum — (also referred to as the Arb) consists of approximately 880 acres (360 hectares) of land adjacent to Carleton College. It was created under the leadership of President Donald J. Cowling and Professor Harvey E. Stork in the 1920s. Professor Stork… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium

• agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

• Deities of Philippine mythology — The deities of Philippine mythology are the gods, goddesses and diwatas worshiped by ancient Filipinos before the Christianization of the natives after the Spanish conquest of the Philippines. While not as widely known as its European and Asian …   Wikipedia

• Mangrove — World mangrove distribution …   Wikipedia

• plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

• plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium